77429800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{7901}}^1$

素因数の和:7931

約数の個数: 72

約数和(自身を含む): 209442510

約数和(自身を除く): 132012710

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 7901, 9800, 15802, 31604, 39505, 55307, 63208, 79010, 110614, 158020, 197525, 221228, 276535, 316040, 387149, 395050, 442456, 553070, 774298, 790100, 1106140, 1382675, 1548596, 1580200, 1935745, 2212280, 2765350, 3097192, 3871490, 5530700, 7742980, 9678725, 11061400, 15485960, 19357450, 38714900, 77429800]

約数ペア:

[(1, 77429800), (2, 38714900), (4, 19357450), (5, 15485960), (7, 11061400), (8, 9678725), (10, 7742980), (14, 5530700), (20, 3871490), (25, 3097192), (28, 2765350), (35, 2212280), (40, 1935745), (49, 1580200), (50, 1548596), (56, 1382675), (70, 1106140), (98, 790100), (100, 774298), (140, 553070), (175, 442456), (196, 395050), (200, 387149), (245, 316040), (280, 276535), (350, 221228), (392, 197525), (490, 158020), (700, 110614), (980, 79010), (1225, 63208), (1400, 55307), (1960, 39505), (2450, 31604), (4900, 15802), (7901, 9800)]